
@media only screen and (min-width:921px) {
    #banner {
        position: relative;
    }
    #banner img {
        width: 100%;
        height: auto;
    }
    /* content */
    .section{
        position: relative;
        width: 1200px;
        margin:80px auto;
        display: flex;
    }
    .section-menu{
        width: 280px;
    }
    .section-menu>span{
        padding:16px 37px;
        background: #3C50E0;
        border-radius: 8px;
        font-size: 24px;
        font-family: Microsoft YaHei;
        font-weight: 400;
        color: #FFFFFF;
        margin-bottom:20px;
        display: block;
        cursor: pointer;
    }
    .section-menu-list{
        position: relative;
        overflow: hidden;
        height: auto;
        margin:20px 0;
    }
    .section-menu-list>li{
        width: 100%;
        /* padding:13px 26px; */
        background: #EEEEEE;
        border-radius: 8px;
        margin: 10px 0;
        position: relative;
        /* height: 43px; */
        line-height: 43px;
    }
    .section-menu-list li>span:nth-child(1){
        margin-left: 15px;
        cursor: pointer;
    }
    .section-menu-list li>span:nth-child(2){
        position: absolute;
        top:22px;
        transform: translateY(-50%);
        right:15px;
        cursor: pointer;
    }
    .section-menu-list li>ul{
        display: none;
        position:relative ;
        background:#3C50E0;
        overflow: hidden;
    }
    .section-menu-list li>ul li{
        width: 100%;
        line-height: 43px;
        padding: 0 16px;
        color:#fff;
        background:#3C50E0;
        border-bottom:1px solid #fff;
        cursor: pointer;
    }
    .section-menu-list li>ul li:last-child{
        border:none;
    }
    .section-content{
        position:relative;
        flex:1;
        padding-left:35px;
    }
    .section-content h3{
        height: 57px;
        line-height: 57px;
        text-indent: 33px;
        background: #EEEEEE;
        width: 100%;
        font-size: 18px;
        font-family: Microsoft YaHei;
        font-weight: 400;
        color: #222222;
    }
    .section-box{
        /* height: 176px; */
        background: rgba(251, 178, 0, .1);
        padding:44px 32px 27px;
        overflow: hidden;
    }
    .section-box:nth-child(3){background:rgba(255, 86, 112, .1);}
    .section-box:nth-child(4){background: rgba(39, 40, 45, .1);}
    .section-box:nth-child(5){background: rgba(60, 80, 224, .1);}
    .section-box>span{
        font-size: 18px;
        font-family: Microsoft YaHei;
        font-weight: bold;
        color: #222222;
        overflow: hidden;
        
    }
    .section-box ul{
        position: relative;
        margin-top:20px;
    }
    .section-box ul li{
        width: 100%;
        margin:10px 0;
    }
    .sec-tab{
        display: none;
    }
    .section-box{
        display: none;
    }
    .sec-tab>.section-box:first-child{
        display: block;
    }
    /* content */


}
@media screen and (max-width:920px) {
    #banner {
        position: relative;
        height: 210px;
    }

    #banner>img {
        width: 100%;
        height: 210px;
    }
    .banner-search{
        position: absolute;
        top:50%;
        left: 50%;
        transform: translate(-50%,-30%);
    }
    .banner-search .banner-txt{
        font-size: 18px;
        font-family: Microsoft YaHei;
        font-weight: bold;
        color: #FFFFFF;
    }
    .banner-btn{
        /* width: 75px; */
        display: block;
        margin:15px auto;
        /* height: 21px; */
        padding:7px 12px;
        background: #FBB200;
        border-radius: 15px;
        font-size: 8px;
        font-family: Microsoft YaHei;
        font-weight: 400;
        color: #FFFFFF;
    }
    /* content */
    .section{
        position: relative;
        padding:12px;
    }
    .section-menu{
        position: relative;
    }
    .section-menu h3{
        font-size: 15px;
        font-family: Microsoft YaHei;
        font-weight: 400;
        color: #222222;
        margin-bottom: 15px;
        overflow: hidden;
    }
    .tag{
        position: absolute;
        top:5px;
        right: 20px;
        font-size: 16px;
    }
    .section-menu-list{
        display: flex;
        flex-direction: column;
        font-size: 12px;
        position:relative
    }
    .section-menu-list>li{
        background: #EEEEEE;
        border-radius: 3px;
        position: relative;
        margin-bottom: 15px;
    }
    .section-menu-list>li>span:first-child{
        display: block;
        width: 100%;
        padding:10px 10px;
    }
    .section-menu-list li ul{
        display: none;
        flex-direction: column;
        font-size: 10px;
    }
    .section-menu-list li ul li{
        display: block;
        padding: 10px 0;
        background: #3C50E0;
        overflow: hidden;
        color:#fff;
        border-bottom:1px solid #fff;
        text-indent: 15px;
        width: 100%;
    }
    .section-content{
        position: relative;
        overflow: hidden;
        margin:20px auto;
    }
    .section-content h3{
        height: 29px;
        line-height: 29px;
        background: #EEEEEE;
        font-size: 9px;
        font-family: Microsoft YaHei;
        font-weight: 400;
        text-indent: 17px;
        color: #222222;
    }
    .section-box{
        position: relative;
        padding:16px 22px;
        background: rgba(251, 178, 0, .1);
        overflow: hidden;
    }
    .section-box:nth-child(2n+1){
        background: rgba(255, 86, 112, .1);
    }
    .section-box>span{
        font-size: 9px;
        font-family: Microsoft YaHei;
        font-weight: bold;
        color: #222222;
        display: block;
        margin-bottom: 15px;
    }
    .section-box ul li{
        display: block;
        width: 100%;
        font-size: 9px;
        font-family: Microsoft YaHei;
        font-weight: 400;
        color: #222222;
        margin-bottom: 10px;
    }
    .section-menu>span{
        padding:8px 15px;
        background: #3C50E0;
        border-radius: 3px;
        font-size: 15px;
        font-family: Microsoft YaHei;
        font-weight: 400;
        color: #fff;
        margin-bottom: 15px;
        overflow: hidden;
        display: block;

    }
    .about-us{
        
    }
    /* content */
}